*SUPPORT*
IN: kiki tufa dax OUT: PINK PINK PURPLE PINK PINK
IN: dax fep wif OUT: GREEN PINK PINK
IN: dax OUT: PINK
IN: dax kiki fep lug OUT: RED PINK PURPLE PINK PURPLE
IN: wif tufa dax OUT: PINK PINK GREEN PINK PINK
IN: lug tufa wif gazzer lug OUT: GREEN GREEN RED GREEN GREEN RED
IN: wif tufa lug OUT: RED RED GREEN RED RED
IN: dax fep wif fep lug OUT: RED GREEN PINK PINK GREEN PINK PINK
IN: lug tufa lug OUT: RED RED RED RED RED
IN: wif kiki OUT: GREEN PURPLE
IN: kiki dax tufa dax OUT: PURPLE PINK PINK PINK PINK PINK
IN: lug tufa kiki OUT: PURPLE PURPLE RED PURPLE PURPLE
IN: lug fep lug OUT: RED RED RED
IN: wif OUT: GREEN

*QUERY*
IN: wif dax wif gazzer lug fep wif OUT: GREEN PINK GREEN GREEN RED RED
IN: lug gazzer dax OUT: RED PINK
IN: lug fep dax OUT: PINK RED RED
IN: lug dax OUT: RED PINK
IN: kiki OUT: PURPLE
IN: kiki wif OUT: PURPLE GREEN
IN: lug tufa dax OUT: PINK PINK RED PINK PINK
IN: wif wif lug fep kiki OUT: PURPLE GREEN GREEN RED GREEN GREEN RED
IN: lug OUT: RED
IN: wif kiki dax tufa wif gazzer lug OUT: GREEN PURPLE GREEN GREEN PINK GREEN GREEN RED

*GRAMMAR*
kiki -> PURPLE 
 lug -> RED 
 wif -> GREEN 
 dax -> PINK 
 x1 gazzer x2 -> [x1] [x2] 
 x1 fep u1 -> [u1] [x1] [x1] 
 u1 tufa u2 -> [u2] [u2] [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 